This means by simply adjusting the WDEF and WRLD values accordingly and adding or removing the HZD reference (or adding / removing null values) any map can be easily ported forward or backward while maintaining the "original authors integrity" of the files.

This is in preference to "full header replacements" which are easier but do not preserve the maps original palettes.

(Maps in the OLDROADS and MISSING map packs are examples of "FHR" from I'76 to Nitro; Frost Mines, Day Light' Race and Nitro Rush 3a are examples of "FHR" from Nitro to Nitro to adjust the night time palette. There are currently no examples of backward ported maps.)

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All conversion from Nitro Pack to I'76 need to have their extension changed to .LVL

All conversion from I'76 to Nitro Pack need to have their extension changed to .CBT (or .RAC)

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Please do not release any ports without proper prior testing and consulting the (yet to be written) "Map Format Guide"...: